public static void GenerateMusicProperty(ref MusicProperty prop, WAVEFORMATEX format, EDataType type, byte[] data)
{
IntPtr propPtr = Marshal.AllocHGlobal(Marshal.SizeOf(prop));
Marshal.StructureToPtr(prop, propPtr, false);
IntPtr formatPtr = Marshal.AllocHGlobal(Marshal.SizeOf(format));
Marshal.StructureToPtr(format, formatPtr, false);
IntPtr ptr = Marshal.AllocHGlobal(data.Length);
Marshal.Copy(data, 0, ptr, data.Length);
WaveFileManagerNative.generateMusicProperty(propPtr, formatPtr, type, ptr, (uint)data.Length);
prop = Marshal.PtrToStructure <MusicProperty>(propPtr);
Marshal.FreeHGlobal(propPtr);
Marshal.FreeHGlobal(formatPtr);
// It should be free, but can't do that.
// This bug will be fixed.
// Marshal.FreeHGlobal(ptr);
}
public static void CreateFile(string path, MusicProperty prop)
{
IntPtr propPointer = Marshal.AllocHGlobal(Marshal.SizeOf(prop));
Marshal.StructureToPtr(prop, propPointer, false);
WaveFileManagerNative.createFile(path, propPointer);
Marshal.FreeHGlobal(propPointer);
}
public static void GenerateWAVEFORMATEX(ref WAVEFORMATEX format, EDataType dataType)
{
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(format));
Marshal.StructureToPtr(format, ptr, false);
WaveFileManagerNative.generateWAVEFORMATEX(ptr, dataType);
format = Marshal.PtrToStructure <WAVEFORMATEX>(ptr);
Marshal.FreeHGlobal(ptr);
}
public static void GenerateSoundMonaural16bits(byte[] data, double herth, int samplesPerSec = 44100, int volume = 30000)
{
var dataPtr = Marshal.AllocHGlobal(data.Length);
Marshal.Copy(data, 0, dataPtr, data.Length);
WaveFileManagerNative.generateSoundMonaural16bits(dataPtr, (uint)data.Length, herth, samplesPerSec, volume);
Marshal.Copy(dataPtr, data, 0, data.Length);
}
